/* Mermaid Diagram Styles */
.mermaid-wrapper {
  margin: 0 !important;
  padding: 0 !important;
}

.diagram-source-section {
  margin-bottom: 20px;
  position: relative;
}

.diagram-render-section {
  position: relative;
}

/* 统一按钮样式 */
.copy-code-btn,
.fullscreen-btn {
  position: absolute !important;
  top: 8px !important;
  z-index: 1000 !important;
  padding: 4px 6px;
  font-size: 11px;
  border: 1px solid #d1d5da;
  border-radius: 3px;
  cursor: pointer;
  color: #586069;
  background: white;
  display: flex;
  align-items: center;
  gap: 4px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  transition: all 0.2s ease;
}

.copy-code-btn {
  right: 10px !important;
  top: 10px !important;
}

.mermaid .fullscreen-btn {
  position: sticky !important;
  top: -11px !important;
  right: -11px !important;
  z-index: 1001 !important;
  margin-left: auto !important;
  margin-right: -11px !important;
  margin-top: -11px !important;
  align-self: flex-start !important;
  float: right !important;
}

.copy-code-btn:hover,
.fullscreen-btn:hover {
  background-color: #f6f8fa !important;
  border-color: #d0d7de !important;
}

/* 源码区域样式 */
.mermaid-source-code {
  margin: 0;
  padding: 12px;
  border: 1px solid #e1e5e9;
  border-radius: 6px;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 13px;
  line-height: 1.45;
  overflow: auto;
  color: #24292e;
  height: 300px;
  background-color: #f8f9fa;
}

/* 占位符样式 */
.mermaid-placeholder {
  text-align: center;
  padding: 40px;
  border: 1px solid #e1e5e9;
  border-radius: 6px;
  color: #586069;
  display: block;
  background-color: white;
  font-size: 14px;
}

/* 图表容器样式 - 增强滚动视图支持 */
.mermaid {
  position: relative;
  text-align: center;
  padding: 20px;
  border: 1px solid #e1e5e9;
  border-radius: 6px;
  display: none;
  background-color: white;
  min-height: 200px;
  
  /* 新增：普通视图下的滚动支持 */
  max-height: 80vh;
  overflow: auto;
  
  /* 滚动条样式优化 */
  scrollbar-width: thin;
  scrollbar-color: #cbd5e0 #f1f5f9;
}

/* Webkit浏览器滚动条自定义样式 */
.mermaid::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.mermaid::-webkit-scrollbar-track {
  background: #f1f5f9;
  border-radius: 4px;
}

.mermaid::-webkit-scrollbar-thumb {
  background: #cbd5e0;
  border-radius: 4px;
  transition: background-color 0.2s ease;
}

.mermaid::-webkit-scrollbar-thumb:hover {
  background: #a0aec0;
}

.mermaid::-webkit-scrollbar-corner {
  background: #f1f5f9;
}

/* 图表显示状态 */
.mermaid[data-processed="true"] {
  display: block;
}

/* SVG图表容器优化 */
.mermaid svg {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

/* 大型图表支持 */
.mermaid.large-diagram {
  max-height: 70vh;
  padding: 15px;
}

.mermaid.large-diagram svg {
  max-width: none;
  width: auto;
}

/* 滚动提示指示器 */
.mermaid-scroll-indicator {
  position: absolute;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  padding: 4px 8px;
  border-radius: 12px;
  font-size: 11px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 1002;
}

.mermaid-scroll-indicator.show {
  opacity: 1;
}

.mermaid-scroll-indicator.horizontal {
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
}

.mermaid-scroll-indicator.vertical {
  top: 50%;
  right: 10px;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
}

/* 全屏样式 - 完全重写以支持滚动 */
.mermaid:fullscreen,
.mermaid:-webkit-full-screen,
.mermaid:-moz-full-screen,
.mermaid:-ms-fullscreen {
  /* 重置所有可能冲突的样式 */
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  max-width: none !important;
  max-height: none !important;
  margin: 0 !important;
  padding: 0 !important;
  border: none !important;
  border-radius: 0 !important;
  box-sizing: border-box !important;
  z-index: 9999 !important;
  
  /* 背景和基本样式 */
  background-color: white !important;
  
  /* 关键：启用滚动 */
  overflow: auto !important;
  
  /* 重置文本对齐，避免影响滚动 */
  text-align: left !important;
  
  /* 确保显示 */
  display: block !important;
  
  /* 优化滚动性能 */
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

/* 全屏模式下的滚动条优化 */
.mermaid:fullscreen::-webkit-scrollbar,
.mermaid:-webkit-full-screen::-webkit-scrollbar,
.mermaid:-moz-full-screen::-webkit-scrollbar,
.mermaid:-ms-fullscreen::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

.mermaid:fullscreen::-webkit-scrollbar-track,
.mermaid:-webkit-full-screen::-webkit-scrollbar-track,
.mermaid:-moz-full-screen::-webkit-scrollbar-track,
.mermaid:-ms-fullscreen::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.1);
}

.mermaid:fullscreen::-webkit-scrollbar-thumb,
.mermaid:-webkit-full-screen::-webkit-scrollbar-thumb,
.mermaid:-moz-full-screen::-webkit-scrollbar-thumb,
.mermaid:-ms-fullscreen::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.3);
  border-radius: 6px;
}

.mermaid:fullscreen::-webkit-scrollbar-thumb:hover,
.mermaid:-webkit-full-screen::-webkit-scrollbar-thumb:hover,
.mermaid:-moz-full-screen::-webkit-scrollbar-thumb:hover,
.mermaid:-ms-fullscreen::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.5);
}

/* 全屏状态下的SVG容器 */
.mermaid:fullscreen svg,
.mermaid:-webkit-full-screen svg,
.mermaid:-moz-full-screen svg,
.mermaid:-ms-fullscreen svg {
  /* 允许SVG超出视口 */
  max-width: none !important;
  max-height: none !important;
  width: auto !important;
  height: auto !important;
  
  /* 重置定位 */
  position: static !important;
  display: block !important;
  
  /* 居中显示但允许滚动 */
  margin: 20px auto !important;
  
  /* 确保SVG可以被滚动查看 */
  min-width: fit-content !important;
  min-height: fit-content !important;
}

/* 全屏状态下的按钮 */
.mermaid:fullscreen .fullscreen-btn,
.mermaid:-webkit-full-screen .fullscreen-btn,
.mermaid:-moz-full-screen .fullscreen-btn,
.mermaid:-ms-fullscreen .fullscreen-btn {
  position: fixed !important;
  top: 20px !important;
  right: 20px !important;
  z-index: 10001 !important;
  background: rgba(0, 0, 0, 0.7) !important;
  color: white !important;
  border: 1px solid rgba(255, 255, 255, 0.3) !important;
  backdrop-filter: blur(10px) !important;
}

/* 全屏按钮状态指示 */
.fullscreen-btn[data-fullscreen="true"] {
  background-color: #0366d6 !important;
  color: white !important;
  border-color: #0366d6 !important;
}

/* 全屏退出提示 */
.fullscreen-exit-hint {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 10px 20px;
  border-radius: 20px;
  font-size: 14px;
  z-index: 10000;
  animation: fadeInOut 5s ease-in-out;
  pointer-events: none;
}

/* 滚动提示样式 */
.fullscreen-scroll-hint {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 8px 16px;
  border-radius: 16px;
  font-size: 13px;
  z-index: 10000;
  animation: fadeInOut 4s ease-in-out;
  pointer-events: none;
  max-width: 80vw;
  text-align: center;
}

/* 滚动进度指示器 - 全屏模式 */
.fullscreen-scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, #0366d6, #28a745);
  z-index: 10002;
  transition: width 0.1s ease;
  border-radius: 0 0 2px 0;
}

/* 滚动方向指示器 */
.scroll-direction-hint {
  position: fixed;
  z-index: 10003;
  background: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.scroll-direction-hint.show {
  opacity: 1;
}

.scroll-direction-hint.horizontal {
  bottom: 60px;
  left: 50%;
  transform: translateX(-50%);
}

.scroll-direction-hint.vertical {
  right: 60px;
  top: 50%;
  transform: translateY(-50%);
}

@keyframes fadeInOut {
  0%, 100% { opacity: 0; }
  10%, 90% { opacity: 1; }
}

/* 缩放控制按钮 */
.zoom-controls {
  position: absolute;
  bottom: 8px;
  left: 8px;
  display: flex;
  gap: 4px;
  z-index: 1001;
}

.zoom-btn {
  width: 28px;
  height: 28px;
  border: 1px solid #d1d5da;
  border-radius: 3px;
  background: white;
  color: #586069;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: bold;
  transition: all 0.2s ease;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.zoom-btn:hover {
  background-color: #f6f8fa;
  border-color: #d0d7de;
}

.zoom-btn:active {
  transform: scale(0.95);
}

/* 全屏模式下的缩放控制 */
.mermaid:fullscreen .zoom-controls,
.mermaid:-webkit-full-screen .zoom-controls,
.mermaid:-moz-full-screen .zoom-controls,
.mermaid:-ms-fullscreen .zoom-controls {
  position: fixed !important;
  bottom: 20px !important;
  left: 20px !important;
  z-index: 10001 !important;
}

.mermaid:fullscreen .zoom-btn,
.mermaid:-webkit-full-screen .zoom-btn,
.mermaid:-moz-full-screen .zoom-btn,
.mermaid:-ms-fullscreen .zoom-btn {
  background: rgba(0, 0, 0, 0.7) !important;
  color: white !important;
  border-color: rgba(255, 255, 255, 0.3) !important;
}

/* 错误显示样式 */
.diagram-error {
  padding: 20px;
  border: 1px solid #ff6b6b;
  border-radius: 4px;
  color: #d63031;
  background-color: #fff5f5;
  margin: 10px 0;
}

.diagram-error h4 {
  margin: 0 0 10px 0;
  color: #d63031;
  font-size: 16px;
}

.diagram-error p {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
}

.diagram-error ul {
  margin: 10px 0;
  padding-left: 20px;
}

.diagram-error li {
  margin: 5px 0;
  line-height: 1.4;
}

.diagram-error code {
  background: #e9ecef;
  padding: 2px 4px;
  border-radius: 2px;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 12px;
}

/* 修复成功提示样式 */
.diagram-fix-success {
  background-color: #d4edda;
  border-color: #c3e6cb;
  color: #155724;
  padding: 10px 15px;
  border-radius: 4px;
  margin: 10px 0;
  font-size: 14px;
}

/* 深色主题适配 */
[data-theme="dark"] .copy-code-btn,
[data-theme="dark"] .fullscreen-btn {
  background: #374151;
  color: #d1d5db;
  border-color: #4b5563;
}

[data-theme="dark"] .copy-code-btn:hover,
[data-theme="dark"] .fullscreen-btn:hover {
  background-color: #4b5563 !important;
  border-color: #6b7280 !important;
}

[data-theme="dark"] .mermaid-source-code {
  background-color: #1f2937;
  color: #e5e7eb;
  border-color: #374151;
}

[data-theme="dark"] .mermaid-placeholder {
  background-color: #1f2937;
  color: #9ca3af;
  border-color: #374151;
}

[data-theme="dark"] .mermaid {
  background-color: #1f2937;
  border-color: #374151;
  scrollbar-color: #4b5563 #1f2937;
}

[data-theme="dark"] .mermaid::-webkit-scrollbar-track {
  background: #1f2937;
}

[data-theme="dark"] .mermaid::-webkit-scrollbar-thumb {
  background: #4b5563;
}

[data-theme="dark"] .mermaid::-webkit-scrollbar-thumb:hover {
  background: #6b7280;
}

[data-theme="dark"] .mermaid:fullscreen,
[data-theme="dark"] .mermaid:-webkit-full-screen,
[data-theme="dark"] .mermaid:-moz-full-screen,
[data-theme="dark"] .mermaid:-ms-fullscreen {
  background-color: #1f2937 !important;
}

[data-theme="dark"] .mermaid:fullscreen::-webkit-scrollbar-track,
[data-theme="dark"] .mermaid:-webkit-full-screen::-webkit-scrollbar-track,
[data-theme="dark"] .mermaid:-moz-full-screen::-webkit-scrollbar-track,
[data-theme="dark"] .mermaid:-ms-fullscreen::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .mermaid:fullscreen::-webkit-scrollbar-thumb,
[data-theme="dark"] .mermaid:-webkit-full-screen::-webkit-scrollbar-thumb,
[data-theme="dark"] .mermaid:-moz-full-screen::-webkit-scrollbar-thumb,
[data-theme="dark"] .mermaid:-ms-fullscreen::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.3);
}

[data-theme="dark"] .mermaid:fullscreen::-webkit-scrollbar-thumb:hover,
[data-theme="dark"] .mermaid:-webkit-full-screen::-webkit-scrollbar-thumb:hover,
[data-theme="dark"] .mermaid:-moz-full-screen::-webkit-scrollbar-thumb:hover,
[data-theme="dark"] .mermaid:-ms-fullscreen::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.5);
}

[data-theme="dark"] .diagram-error {
  background-color: #2d1b1b;
  border-color: #dc2626;
  color: #fca5a5;
}

[data-theme="dark"] .diagram-error h4 {
  color: #fca5a5;
}

[data-theme="dark"] .zoom-btn {
  background: #374151;
  color: #d1d5db;
  border-color: #4b5563;
}

[data-theme="dark"] .zoom-btn:hover {
  background-color: #4b5563;
  border-color: #6b7280;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .mermaid-source-code {
    height: 200px;
    font-size: 12px;
  }
  
  .copy-code-btn,
  .fullscreen-btn {
    padding: 4px 6px;
    font-size: 11px;
  }
  
  .mermaid-placeholder {
    padding: 20px;
    font-size: 13px;
  }
  
  .mermaid {
    padding: 15px;
    max-height: 60vh;
  }
  
  .mermaid .fullscreen-btn {
    display: none !important;
  }
  
  .copy-code-btn {
    right: 10px !important;
    top: 10px !important;
  }
  
  .mermaid:fullscreen .fullscreen-btn,
  .mermaid:-webkit-full-screen .fullscreen-btn,
  .mermaid:-moz-full-screen .fullscreen-btn,
  .mermaid:-ms-fullscreen .fullscreen-btn {
    top: 10px !important;
    right: 10px !important;
  }
  
  .zoom-controls {
    bottom: 6px;
    left: 6px;
  }
  
  .zoom-btn {
    width: 24px;
    height: 24px;
    font-size: 12px;
  }
  
  .mermaid:fullscreen .zoom-controls,
  .mermaid:-webkit-full-screen .zoom-controls,
  .mermaid:-moz-full-screen .zoom-controls,
  .mermaid:-ms-fullscreen .zoom-controls {
    bottom: 15px !important;
    left: 15px !important;
  }
}

@media (max-width: 480px) {
  .mermaid-source-code {
    height: 150px;
  }
  
  .mermaid-placeholder {
    padding: 15px;
  }
  
  .mermaid {
    padding: 10px;
    max-height: 50vh;
  }
  
  .mermaid .fullscreen-btn {
    display: none !important;
  }
  
  .copy-code-btn {
    right: 10px !important;
    top: 10px !important;
  }
  
  .fullscreen-scroll-hint {
    font-size: 12px;
    padding: 6px 12px;
    max-width: 90vw;
  }
  
  .scroll-direction-hint {
    font-size: 11px;
    padding: 4px 8px;
  }
}